Proper bleeding of Stock Heat Exchanger

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2009-2015 Cadillac CTS-V General Discussion Discussion, Proper bleeding of Stock Heat Exchanger in Cadillac CTS-V Series Forum - 2009-2015; I red the thread Jesse put up on bleeding the stock cooler after installing his heat exchanger and wanted to ...
  1. #1
    gonfishin is offline Cadillac Owners Connoisseur
    Join Date
    Dec 2007

    Proper bleeding of Stock Heat Exchanger

    I red the thread Jesse put up on bleeding the stock cooler after installing his heat exchanger and wanted to know from you experts if this worked or not.

    I have only worked with cold fluids in the past

    I removed the cosmetic dressing directly above the stock intercooler
    Removed the 2 plastic push bolts above each light
    Removed the 2 screws on either side of the hood latch that supports grill
    remove the plastic shroud around the hood latch so I could get my hand with a small 3/8 drive socket ratchet. I had to pull back on the grill.

    Once the plastic bleeder screw was loose, I used my hand to entirely unscrew and remove.

    I got my daughter and asked her to watch the opening with a flashlight throught the grill and tell me when she sees fluid. I went to the Supercharger fluid fill and slowly began unscrewing the cap. As soon as the pressure loss occured, I saw the fluid in the fill point dissapeared, it burpble for 2 seconds, my daughter screamed, fluid started out the bleeder opening. It happened that quickly. Be ready to tighten and close the cap as to minimize fluid loss. Guys this happens fast so be quick. I then put the bleeder screw back in, re-assembled the car, and topped off the system.

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  3. #2
    v4meinsandiego is offline Cadillac Owners Fanatic
    Automobile(s): none
    Join Date
    Jan 2010

    Re: Proper bleeding of Stock Heat Exchanger

    I did the same thing with my new heat exchanger installed last Friday. I did it exactly as you said and read what Jesse wrote too before doing it. Same experience. Opened bleeder, opened both resevoirs, heard burbles, and then coolant began to trickle out from the stock exchanger. Once it stopped, I plugged it, refilled the resevoirs, closed the caps, and was in business.

  4. #3
    kj217's Avatar
    kj217 is offline Cadillac Owners Member
    Automobile(s): 2009 CTS-V
    Join Date
    Sep 2012

    Re: Proper bleeding of Stock Heat Exchanger

    is this to be done with engine running or key only in ON position?

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  6. #4
    DCV is offline Cadillac Owners Enthusiast
    Automobile(s): 2009 CTSV bone stock
    Join Date
    Dec 2012
    Washington DC

    Re: Proper bleeding of Stock Heat Exchanger

    It would be great to show pictures of this process.
    Club Malibu likes this.

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